Il giorno mar 5 lug 2022 alle ore 09:58 Anna “CyberTailor” <cyber@sysrq.in>
ha scritto:

> On 2022-07-05 07:16, Robert Greener wrote:
> > The current SRC_URI searches all the CRAN mirrors for
> > /src/contrib/${PN}_${PV}.tar.gz. This is problematic. Once a package is
> updated
> > on CRAN, the package is removed from this path and moved to
> > /src/contrib/Archive/${PN}/${PN}_${PV}.tar.gz. The effect of this is
> > that once a package goes out-of-date on CRAN, the ebuild will no longer
> > build. This significantly increases the maintenance burden of dev-R/*
> > packages, as it requires that they be up-to-date at all times.
> >
> > The proposal here, is to use just the main CRAN, so that every mirror
> > doesn't have to be searched, to search the main repo, and then the
> > archive. (also, some CRAN mirrors seem misconfigured and return a html
> > document if the package is not found at
> > /src/contrib/${PN}_${PV}.tar.gz). This means that if the package is
> > out-of-date it will still build.
> >
> > Signed-off-by: Robert Greener <me@r0bert.dev>
> > ---
> >  eclass/R-packages.eclass | 5 ++++-
> >  1 file changed, 4 insertions(+), 1 deletion(-)
> >
> > diff --git a/eclass/R-packages.eclass b/eclass/R-packages.eclass
> > index aed8cce84..dd6b69933 100644
> > --- a/eclass/R-packages.eclass
> > +++ b/eclass/R-packages.eclass
> > @@ -21,7 +21,10 @@ esac
> >
> >  EXPORT_FUNCTIONS src_unpack src_prepare src_configure src_compile
> src_install pkg_postinst
> >
> > -SRC_URI="mirror://cran/src/contrib/${PN}_${PV}.tar.gz"
> > +SRC_URI="
> > +     https://cran.r-project.org/src/contrib/${PN}_${PV}.tar.gz
> > +
> https://cran.r-project.org/src/contrib/Archive/${PN}/${PN}_${PV}.tar.gz
> > +"
>
> Multiple SRC_URI doesn't work as fallback. You need a custom src_fetch
> function instead.
>
>
I like this idea, any downsides?